NPPES file of Aug 9, 2026

Karen Lockheart

Family Nurse Practitioner · Lancaster, CA

Karen Lockheart is a family nurse practitioner with a practice address in Lancaster, California, and NPI 1831638824, issued on Feb 23, 2017. Check the license (California 95006180, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831638824
Name
Karen Lockheart
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95006180 CA
Self-reported in NPPES; status is on the state search
Practice location
43839 N 15TH St West, Lancaster, CA 93534
Phone
(661) 945-5984
Enumerated
Feb 23, 2017
Record last updated
Dec 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(661) 951-3350
Medicare enrollment
Enrolled (PECOS I20170503002003); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 43839 N 15TH St West

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christine Helbling, D.O.General Practice Physician1558371567
  2. Don Parazo, MDFamily Medicine Physician1861505265
  3. Ndidiamaka Udeh, N.PFamily Nurse Practitioner1194269993

Verify Karen Lockheart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95006180
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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24% fewer Medicare Part D claims than the average family nurse practitioner in 2024

998 Medicare Part D claims for 250 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 86 claims were for opioids.

  1. Karen Lockheart998
  2. Specialty average1,305

Most prescribed

  1. Kerendia60 claims
  2. Hydrocodone-Acetaminophen49 claims
  3. Alprazolam44 claims
  4. Lorazepam41 claims
  5. Bumetanide34 claims
  6. Zolpidem Tartrate28 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $597.46

19 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Lockheart$597.46
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. High Desert Medical CorporationLancaster, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen Lockheart among 16,966 family nurse practitioner records in California

Karen Lockheart is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 40% of them.

  • NPI issued2017 · 40% of these records are older, 55% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2016 · median 2019 among the 6,793 with a school on file
  • Record last updated2019 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

89 family nurse practitioner records list a practice address in Lancaster

They are 89 of the 4,273 NPPES records with a practice address in Lancaster, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sandra Callaghan, FNPLancaster, CA 935341780970517
  2. Jacob Carpenter, FNP-CLancaster, CA 935341295199263
  3. Sukhvir Dhinsa, FNP-BCLancaster, CA 935341255707493
  4. Richard Emanuel, FNPLancaster, CA 935341922399609
  5. Pascualita FloresLancaster, CA 935341386040145
  6. Meredith Graham, NPLancaster, CA 935341558634337
  7. Dorothy Griego, FNPCLancaster, CA 935341992977326
  8. Carlos Guerrero, FNPLancaster, CA 935341699855080

Common questions

What is Karen Lockheart's NPI number?

Karen Lockheart's National Provider Identifier (NPI) is 1831638824, issued on Feb 23, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Karen Lockheart located?

The NPPES record lists a practice address at 43839 N 15TH St West, Lancaster, CA, 93534. Phone: (661) 945-5984. Providers update this record themselves, so call before visiting.

How can I verify Karen Lockheart's license?

NPPES lists California license number 95006180, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Lockheart prescribe under Medicare Part D?

In 2024, Karen Lockheart had 998 Medicare Part D claims for 250 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.